Home / 53,330.73-73,541.28-45,801.99

Finding the Fourth Proportional to 53,330.73, 73,541.28 and 45,801.99

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Solution

The fourth proportional to 53,330.73, 73,541.28 and 45,801.99 is: 63,159.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,330.73 : 73,541.28 = 45,801.99 : x
  2. Step 2: Convert to fraction form
    53,330.73/73,541.28 = 45,801.99/x
  3. Step 3: Cross multiply
    53,330.73x = 73,541.28 × 45,801.99
  4. Step 4: Simplify right side
    53,330.73x = 3,368,336,971.15
  5. Step 5: Solve for x
    x = 3,368,336,971.15/53,330.73
  6. Step 6: Final answer
    x = 63,159.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.